B66/100
GALLUP WATER SYSTEM — Water Quality Report 2026
Serving 20,880 people · New Mexico
Water Source
Groundwater
County
—
System ID
NM3508317
Violations
30
Contaminant Test Results
EPA Violation History
4
Violations (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Failure to meet filter backwash requirements
When: April 1, 2025Rule: Consumer Confidence RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved
Surface water treatment technique failure
When: October 1, 2024 – March 4, 2025Enforcement: Resolving — corrective action underway
TIER 3Resolved
Failure to meet filter backwash requirements
When: April 1, 2024 – October 3, 2024Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: July 10, 2021 – September 14, 2021Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About GALLUP WATER SYSTEM
Is GALLUP WATER SYSTEM water safe to drink?
GALLUP WATER SYSTEM water receives a grade of B (66/100), which is considered good. Out of 66 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has GALLUP WATER SYSTEM detected?
66 contaminants were tested in GALLUP WATER SYSTEM's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does GALLUP WATER SYSTEM have any EPA violations?
Yes, GALLUP WATER SYSTEM has 30 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR, MON. 1 are health-based violations.
How many people does GALLUP WATER SYSTEM serve?
GALLUP WATER SYSTEM serves approximately 20,880 people, New Mexico. The system provides water to 1 community: Gallup.
What type of water does GALLUP WATER SYSTEM provide?
GALLUP WATER SYSTEM sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is NM3508317.
How does GALLUP WATER SYSTEM compare to other utilities in New Mexico?
GALLUP WATER SYSTEM scores 66/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our New Mexico state page for a full comparison of water systems.